. >> did you know america existed? >> translator: not at all. >> did you know that the world was round? >> translator: i had no idea if it was round or square. >> camp 14 was all that he says he knew for the first 23 years of his life. these satellite images are the only glimpse outsiders have ever gotten of the place. 15,000 people are believed to be imprisoned here, forced to live and work in this bleak collection of houses, factories, fields and mines, surrounded by an electrified fence. growing up, did you ever think about escaping? >> translator: that never crossed my mind. >> never crossed your mind? >> translator: no, never. what i thought was the society outside the camp would be similar to that inside the camp. >> you thought everybody lived in a prison camp like this? >> translator: yes. >> he told us this is the house where he was born. his mother and father were prisoners, whose marriage, if you could call it that, was arranged by the guards, as a reward for hard work. did they live together? did they see e